Implementation notes: amd64, rome0, crypto_sign/falcon1024tree

Computer: rome0
Microarchitecture: amd64; Zen 2 (830f10)
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20240625
Operation: crypto_sign
Primitive: falcon1024tree

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
907679	143966 0 0	164606 836 1752	`T:avx2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
913414	135238 0 0	155750 836 1752	`T:avx2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
934941	144598 0 0	165630 836 1720	`T:avx2`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
981759	80604 0 0	99492 828 1720	`T:avx2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1029474	158421 0 0	180426 796 1784	`T:avx2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1058859	89246 0 0	109674 796 1784	`T:avx2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1061951	83038 0 0	103050 796 1784	`T:avx2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1223981	72524 0 0	91578 788 1752	`T:avx2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1247270	85528 0 0	105732 828 1720	`T:avx2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1482661	159570 0 0	181578 796 1784	`T:fpu`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1570015	140337 0 0	161614 836 1720	`T:fpu`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1588732	139925 0 0	160782 836 1752	`T:fpu`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1595237	131229 0 0	151926 836 1752	`T:fpu`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1694520	80882 0 0	100930 796 1784	`T:fpu`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1713699	78391 0 0	97284 820 1720	`T:fpu`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1730200	86985 0 0	107442 796 1784	`T:fpu`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
1804300	70670 0 0	89770 788 1752	`T:fpu`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
2819325	83983 0 0	104220 820 1720	`T:fpu`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
15761413	150736 0 0	172826 796 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
15897870	145412 0 0	166630 828 1720	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
15922828	93420 0 0	113986 796 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
16035402	77602 0 0	96786 788 1752	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
16190994	89430 0 0	109538 796 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
16573021	88821 0 0	107796 820 1720	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
17640910	85297 0 0	105628 820 1720	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
17675778	134475 0 0	155446 828 1752	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625
17698182	143145 0 0	164294 828 1752	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240625	20240625

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:avx2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

api.c: api.c: In function 'crypto_sign_falcon1024tree_avx2_timingleaks':
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                                    ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                           ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                  ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |         ^

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:avx2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avx2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avx2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:avx2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

Implementation: T:fpu
Security model: timingleaks
Compiler: clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:fpu`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:fpu
Security model: timingleaks
Compiler: clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`T:fpu`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:fpu`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:fpu
Security model: timingleaks
Compiler: clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:fpu`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:fpu
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`T:fpu`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:fpu
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

api.c: api.c: In function 'crypto_sign_falcon1024tree_fpu_timingleaks':
api.c: api.c:110:36: warning: unused variable 'G' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                                    ^
api.c: api.c:110:27: warning: unused variable 'F' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                           ^
api.c: api.c:110:18: warning: unused variable 'g' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                  ^
api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:   110 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |         ^

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:fpu`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:fpu`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:fpu`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:fpu`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

api.c: api.c:107:9: warning: unused variable 'f' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                ^
api.c: api.c:107:18: warning: unused variable 'g' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                         ^
api.c: api.c:107:27: warning: unused variable 'F' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                  ^
api.c: api.c:107:36: warning: unused variable 'G' [-Wunused-variable]
api.c:         int8_t f[1024], g[1024], F[1024], G[1024];
api.c:                                           ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)

api.c: api.c: In function 'crypto_sign_falcon1024tree_ref_timingleaks':
api.c: api.c:107:36: warning: unused variable 'G' [-Wunused-variable]
api.c:   107 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                                    ^
api.c: api.c:107:27: warning: unused variable 'F' [-Wunused-variable]
api.c:   107 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                           ^
api.c: api.c:107:18: warning: unused variable 'g' [-Wunused-variable]
api.c:   107 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |                  ^
api.c: api.c:107:9: warning: unused variable 'f' [-Wunused-variable]
api.c:   107 |  int8_t f[1024], g[1024], F[1024], G[1024];
api.c:       |         ^

Number of similar (implementation,compiler) pairs: 4, namely:

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`